Nouns

(n)class, form, grade, coursea body of students who are taught together“early morning classes are always sleepy”
(n)grade, level, tier1a relative position or degree of value in a graded group“lumber of the highest grade”
(n)gradethe gradient of a slope or road or other surface“the road had a steep grade”
(n)grad, gradeone-hundredth of a right angle
(n)grade, gradationa degree of ablaut
(n)mark, grade, scorea number or letter indicating quality (especially of a student's performance)“she made good marks in algebra”, “grade A milk”, “what was your score on your homework?”
(n)grade, ground levelthe height of the ground on which something stands“the base of the tower was below grade”
(n)degree, grade, levela position on a scale of intensity or amount or quality“a moderate grade of intelligence”, “a high level of care is required”, “it is all a matter of degree”
(n)gradea variety of cattle produced by crossbreeding with a superior breed

Verbs

(v)rate, rank, range, order, grade, placeassign a rank or rating to“how would you rank these students?”, “The restaurant is rated highly in the food guide”
(v)gradelevel to the right gradient
(v)grade, score, markassign a grade or rank to, according to one's evaluation“grade tests”, “score the SAT essays”, “mark homework”
(v)gradedetermine the grade of or assign a grade to